NEED POWERTARNSISTIR FOR AMPLIFIER AU-D7

HI,I AM from hyderabad, INdia. I have a sansui amplifier AU-D7, one of the channel'sd power transistirs 2SC2581N AND 2SA1106N have blown along with the driver circuit.

I am unable to find the replacement transistors any where, please help me find a suiatble website or if anyone has the above said transistirs please contact at the earliest at above mentioned email. will be grateful for any kind of information in this regard.